Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhung song » nhung cong, nhung bong, nhung huong
tuan ban » tuan bang, toan ban, luan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) OR (thien hach)) - hanh trinh quan ((nhung song) or (nhung chong)) anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien hach)) - hanh trinh quan ((nhung song) OR (nhung chong)) anh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (thien hach)) - hanh trinh quan ((nhung song) or (nhung chong)) anh tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (thien hach)) - hanh trinh quan ((nhung song) or (nhung chong)) anh tuan ban*.